﻿// (c) Copyright Ascensio System SIA 2010-2022
//
// This program is a free software product.
// You can redistribute it and/or modify it under the terms
// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
// any third-party rights.
//
// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For details, see
// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
//
// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
//
// The  interactive user interfaces in modified source and object code versions of the Program must
// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
//
// Pursuant to Section 7(b) of the License you must retain the original Product logo when
// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
// trademark law for use of our trademarks.
//
// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode

namespace ASC.Core.Common.EF;

[Singletone]
public class CreatorDbContext
{
    private readonly IServiceProvider _serviceProvider;
    private readonly ICache _cache;

    public CreatorDbContext(IServiceProvider serviceProvider, ICache cache)
    {
        _serviceProvider = serviceProvider;
        _cache = cache;
    }

    public T CreateDbContext<T>(string region = "current", string nameConnectionString = "default") where T : DbContext
    {
        var contextOptions = _cache.Get<DbContextOptionsBuilder<T>>($"context {typeof(T)} {region}");
        if (contextOptions == null)
        {
            contextOptions = new DbContextOptionsBuilder<T>();
            var installerOptionsAction = new InstallerOptionsAction(region, nameConnectionString);
            installerOptionsAction.OptionsAction(_serviceProvider, contextOptions);
            var key = $"context {region}:{nameConnectionString}";
            _cache.Insert(key, contextOptions, TimeSpan.FromMinutes(15));
        }
        return (T)Activator.CreateInstance(typeof(T), contextOptions.Options);
    }
}
